एक अखबार विक्रेता पहले दिन (90) अखबार बेचता है और हर अगले दिन (15) अखबार अधिक बेचता है। (7)वें दिन कितने अखबार बिकेंगे?

A newspaper seller sells (90) newspapers on the first day and (15) more newspapers each next day. How many newspapers are sold on the (7)th day?

Explanation opens after your attempt
Correct Answer

B. (180)

Step 1

Concept

The newspaper sales form an AP. (a_7=90+6(15)=180).

Step 2

Why this answer is correct

The correct answer is B. (180). The newspaper sales form an AP. (a_7=90+6(15)=180).

Step 3

Exam Tip

अखबारों की बिक्री समान्तर श्रेणी है। (a_7=90+6(15)=180)।

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एक अखबार विक्रेता पहले दिन (90) अखबार बेचता है और हर अगले दिन (15) अखबार अधिक बेचता है। (7)वें दिन कितने अखबार बिकेंगे? / A newspaper seller sells (90) newspapers on the first day and (15) more newspapers each next day. How many newspapers are sold on the (7)th day?

Correct Answer: B. (180). Explanation: अखबारों की बिक्री समान्तर श्रेणी है। (a_7=90+6(15)=180)। / The newspaper sales form an AP. (a_7=90+6(15)=180).

Which concept should I revise for this Mathematics MCQ?

The newspaper sales form an AP. (a_7=90+6(15)=180).

What exam hint can help solve this Mathematics question?

अखबारों की बिक्री समान्तर श्रेणी है। (a_7=90+6(15)=180)।